单项选择题

Smart is in rather poor health and is ________ colds.

A．responsive to
B．responsible for
C．subject to
D．exposed to
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单项选择题
Fat reserves are like bank accounts ________ in the winter when food supplies are limited.
A．to deposit
B．to be assembled
C．to set aside
D．to be drawn on
单项选择题
She can speak French and German, to ________ nothing of English.
A．say
B．speak
C．talk
D．tell
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